coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned:
a spontaneous burst of applause.
(of a person) given to acting upon sudden impulses.
(of natural phenomena) arising from internal forces or causes; independent of external agencies; self-acting.
growing naturally or without cultivation, as plants and fruits; indigenous.
produced by natural process.
occurring, produced, or performed through natural processes without external influence: spontaneous movement
arising from an unforced personal impulse; voluntary; unpremeditated: a spontaneous comment
(of plants) growing naturally; indigenous


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